Gustave Courbet's Castel

Enigma difficulty :
Terrain difficulty :
Length : 1h30

Running start for this cache at the "mirror of Ornans" (Courbet's painting). This picture has been referenced on the signboard with the following coordinates:
47°06.287 N
006°08.454 E

When has been painted this picture? Keep the 2 last figures, they are equal to C.

Now go to:
47°06.648 N
006°08.480 E

You are in front of a pedestrian board that indicates the direction and a short anecdote on the viper fountain you will discover later.
That's what Gustave Courbet used to call this fountain because the washerwomen of the age liked gossip.
Thus, we can say that they had wicked ....
Find out the missing word, put the singular and count the number of letters, it is equal to A.

Follow the direction indicated on the board until the viper rock:
47°06.793 N
006°08.381E

And now, look for a date which is hidden on the fountain. Just keep the tens-figure, it will be equal to F.

A new painting of Courbet is waiting for you:
47°06.794 N
006°08.385 E

When has been painted the "Ornans Castel" picture?
The units-figure is D.

Go to the panoramic viewpoint of the castel with the following coordinates:
47°06.738 N
006°08.541 E

A signboard named "a site. Men" will help you to answer this question:
When did the crues reach 3.50 meters?
The tens-figure is B.

There's only one step more before the cache: St Georges Chapel (N 47°06.737 E 006°08.576).
When has been found St Georges Chapel?
The hundreds-figure is E.

You've found everything!!! Happy hunt!!!
The coordinates of the cache are:
47°0A.BC N
006°08.(D-E)EF N

This cache is part of the circuit « in the footsteps of Gustave Courbet ». You will be given a decoding key at each of the 4 steps, to get to the final cache. Write down the steps and punch this document: PDF Sur les traces de Gustave Courbet. You will be sent a gift by the local tourist authority according if you complete all the steps.